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Prothrombin time (blood clotting test) in Lafayette, LA costs $3 to $100. Here's every hospital's price.

6 hospitals in the Lafayette, LA metro area publish a cash price for prothrombin time (blood clotting test) (CPT 85610). We read their files every month so you don't have to.

Across the Lafayette, LA metro area, 6 hospitals list a cash price for prothrombin time (blood clotting test) (CPT 85610). The lowest is $3 at Ochsner Lafayette General Medical Center, the median is $4 and the highest is $100 at Lafayette Surgical Specialty Hospital. The most expensive hospital lists 40 times the cheapest for the same code.

The Lafayette, LA median of $4 is 85% below the national median of $24 across 1443 US hospitals with a cash price for this code.

6 of these hospitals also publish the rates they negotiated with insurers, from $2 to $102. With insurance you pay a share of the negotiated rate, which is sometimes higher than the cash price; you may ask for the cash price instead.

The files behind these prices are dated between February 2026 and June 2026. 5 other hospitals in the metro area have no readable price for this code: some publish no file, some block automated reading, some leave the code out. They are listed below so you can call them.

$3
lowest cash price in Lafayette, LA
Ochsner Lafayette General Medical Center · 15 mi
$1 below the median
$4
median cash price
6 hospitals
40×
highest ÷ lowest
same procedure, same metro
6/11
hospitals with a cash price
5 don't · see who

Sorted by cash price

Hospital facility fee only
1
Ochsner Lafayette General Medical Center

Lafayette · 15 mi · File Apr 2026

$3
list $12 · lowest of 11 lines
2
Ochsner University Hospital and Clinics

Lafayette · 15 mi · File Apr 2026

$3
list $12 · lowest of 10 lines
3
Ochsner St Martin Hospital

Breaux Bridge · 24 mi · File Apr 2026

$4
list $12 · lowest of 10 lines
4
Abrom Kaplan Memorial Hospital

Kaplan · 10 mi · File Apr 2026

$5
list $12 · lowest of 10 lines
5
Park Place Surgical Hospital

Lafayette · 11 mi · File Jun 2026

$8
list $28
6
Lafayette Surgical Specialty Hospital

Lafayette · 13 mi · File Feb 2026

$100
list $100 · lowest of 2 lines
1

What's in the price

The hospital facility fee for CPT 85610. The doctor, anesthesia and lab work usually bill separately.

2

Cash vs. insured

Cash is what you pay without insurance. With insurance you pay a share of the negotiated rate, which can be higher than cash. You may ask for the cash price.

3

What to say on the phone

"I'd like the self-pay price for CPT 85610, in writing, and whether it covers facility, physician and anesthesia."

About prothrombin time (blood clotting test)

CPT 85610 is a prothrombin time (PT), usually reported with INR. It measures how quickly blood clots and is used to monitor warfarin therapy, to check liver function and before surgery. It is a single blood test.

What the price covers

The laboratory analysis only. The blood draw is a separate small charge. Patients on warfarin often have this test monthly, so the price matters more than it looks; finger-stick INR at an anticoagulation clinic or at home is often cheaper.

Why prices vary

A PT/INR costs a laboratory very little to run, yet hospital list prices range from single digits to well over $100. For recurring tests, independent laboratories and anticoagulation clinics are usually far cheaper than hospital labs.

Questions to ask

  • What is the self-pay price for 85610 and the draw fee?
  • If I need this monthly, is there a cheaper standing arrangement?
  • Can I use a home INR meter instead?

Hospitals in Lafayette, LA without a price for this procedure

Listed so you know who to call. The reason is what we found on their website.

Questions people ask